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 Post subject: Getting dirty
PostPosted: 28 Feb 2008 08:08 
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Location: Hamilton
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I'm thinking of getting the car properly dirty. Anybody have first hand experience at what I need to do to prepare the car for a gravel rally? As far as I can tell the only think I need to do is add some funky wide mudflaps and protect the fuel/brake lines from damage with a bit of alloy sheet. Do I need to add underbody protection? I don't even know if I'll like gravel yet so don't really want to go crazy with additions.

I'm a bit worried my suspension is going to be way to stiff for rally too so perhaps some softer/taller springs are in order.

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 Post subject: Re: Getting dirty
PostPosted: 28 Feb 2008 21:13 
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Location: Making things Dirty =;-P (Auckland care of muddy gravel roads)
Country: What Country do you
increase the ride height a bit, aorund 120 - 1300mm should be min, espically if your going to be cutting corners.

you will need to run a softer setup than on tarmac.

have you removed the abs (did you even have abs)?

find some cheap snow/mud tyres 2nd hand tyre places could be a good start as they will be much better than road tyres and you can see if you like it.

undercar protection would be something to look at, my fuel tank feels like a cheese grater from the stones hitting it. also you might want to look at areas that could become stone havens. they have a nak of finding their way into all areas of the underbody (my sideskirts are full of them)

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 Post subject: Re: Getting dirty
PostPosted: 29 Feb 2008 20:06 
To add to DrtDvl's comments.......

If you run 15" rims, you can run rally tyres.
Talk to anyone who rally's regularly as they will more than likely have 2nd hand rally tyres they want to offload for a small price.
Well worth it, as they work far better than M&S tyres ever will.

Underbody protection is also well worth it.
I used a 1200x2400 sheet of polyprop that I split down the middle and bolted under the car either side of the trans tunnel, then cut out to fit around the rear wheels.
Mine go from the firewall back to past the rear axles.
Under the engine bay, protect the sump at all costs. Especially with your Mivec oil pickup thingy.

The suspension setup will depend on the event. Some gravel events are smoother than tarmac.
Try it and see at a low key gravel sprint.

Down here in Wgtn, we have a gravel autocross at Kapiti each month (this Sunday is the next one) which is perfect for testing gravel driving. :D


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 Post subject: Re: Getting dirty
PostPosted: 29 Feb 2008 22:37 
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Location: Making things Dirty =;-P (Auckland care of muddy gravel roads)
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ya old rally tyres can be very cheap although i could never fine 195/55/15's they are normally 195/65's which most subbie and misty guys run which are too big for my car.

plus i was paying $40 for a set of snow and muddies, but ya rally tyres = much better grip.

i miss gravel, i n eed more money!

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 Post subject: Re: Getting dirty
PostPosted: 01 Mar 2008 06:40 
Very true. Rally tyres tend to be 65 profile.
I guess you need to find someone in say Kiwi2 that might run narrower tyres than the 4WD turbo boys do.
I've got 205/65 and 195/65 for the Legacy. Neither will really fit Chelles Mirage. At least not without damaging the guards.


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 Post subject: Re: Getting dirty
PostPosted: 01 Mar 2008 20:13 
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Location: Hamilton
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I found some 185/60 x 15s on trademe. No stealing my auction geoff/chelles or there will be trouble :mrgreen:

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 Post subject: Re: Getting dirty
PostPosted: 02 Mar 2008 11:13 
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Location: Making things Dirty =;-P (Auckland care of muddy gravel roads)
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Bart wrote:
I found some 185/60 x 15s on trademe. No stealing my auction geoff/chelles or there will be trouble :mrgreen:


sweet didn't say anything about me... now where is that page...

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 Post subject: Re: Getting dirty
PostPosted: 02 Mar 2008 12:26 
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As my girl would say "mine"

It is hard to find 2nd hand 15" 60 profile rally tires. Even a 185/60 x 15 is still over an inch bigger than 'stock' fitment but should fit ok. Probably should get a spare 15" wheel too now (I still have a space saver for a spare).

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 Post subject: Re: Getting dirty
PostPosted: 02 Mar 2008 15:42 
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Location: Making things Dirty =;-P (Auckland care of muddy gravel roads)
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i'd also look at getting a second set of rims as they are going to get thrashed from stone chips and if they are soft or weak in design they will deform from hitting potholes and bumps hard...

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 Post subject: Re: Getting dirty
PostPosted: 02 Mar 2008 16:33 
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Yeah, I'm not using my Te37's. I have a set of other Rays wheels at will do. Been sitting in my shed for a few years.

Image

Stone Chips? Bumps? Potholes? Your really not selling me on the whole rally thing you know :?

Maybe I'll look for a set of $100 wheels

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 Post subject: Re: Getting dirty
PostPosted: 02 Mar 2008 17:15 
Just the reality of gravel.
Wanna check out the sides and underneath my Legacy? :P
Paint is an optional extra.

Yep, fully recommend the $100 wheels.
Trademe is your friend there.
I use the oldest mankiest set I can find for gravel bashing.


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 Post subject: Re: Getting dirty
PostPosted: 04 Mar 2008 17:43 
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How did I miss this post for so long?

Only use rims you hate and wish to kill.
Enki Sparco and Compomotive to name a few make purpose built rally rim = heavy and strong.
Ordinary road rims are to weedy for seriously cutting corners, but great to get you started.
Go for 15 x 7" as 6" wide is a bit skinny for 205's to sit right.

I run either 195's or 205's on mine depending how swept the road is.

Regards underside protection, cover everything as suggested by others.
The trick is to make it all in a way that is easily removed for repair or maintenance.
I use ali on the floorpan, and flexible plastic over the rear suspension area each side that is held on by "R" clips as you're always fixing something back there and they only last a few rallies.

As for suspension, yes higher and softer. Not too high just keep your belly of the ground most of the time
For your light little Gen 1 you should be somewhere around 200lbs per inch for the front springs to try for a start. A heck of a lots softer than your tarmac stuff.
Don't get Tein non-rebuildable cheap from an import car as they are simply too stiff for rally. The Japs just don't understand.

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 Post subject: Re: Getting dirty
PostPosted: 04 Mar 2008 22:09 
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Joined: 29 Oct 2004 19:43
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Location: Making things Dirty =;-P (Auckland care of muddy gravel roads)
Country: What Country do you
i was waiting for you to find this...

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 Post subject: Re: Getting dirty
PostPosted: 07 May 2010 00:36 
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The works Proton Satria S1600 ran with ally sump and tank guards and kevlar floor guards - all still available from Harry Hockley Motorsport will fit CA Colt too - Photos

I have drawings somewhere for the ones I made patterned off the above car.


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 Post subject: Re: Getting dirty
PostPosted: 07 May 2010 11:07 
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Joined: 15 Jan 2010 10:39
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Location: dublin, ireland
Country: ireland
I have done a intermediate rally course here in ireland.

In two cars, mk2 escort with 150bhp, and an evo 4 with 280bhp. both full rally spec's..

From what i seen and went through, the under floor protection is a must, i was on a half gravel half tarmac stage (though with the amount of stone's chucked about it was more like full gravel)

Is the lancer mivec's rallying in nz the super 1600 rally over here will not allow my lancer participate.


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